6abb0e40f89bd46dfef4ee1dc3ce5477f77169da8887edb09beddfa1ef3ee6c9

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12-11-2023 16:18

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General

Target

linux4.4/drivers/mtd/spi-nor/spi-nor.c
Size

54KB
MD5

44fc836f4cc80fbd5d63adc6a1b680a0
SHA1

2c692a09ee0d3e4f80eebfb79acbae3b2f5cb8af
SHA256

a1c075ded033805308ff494d56afea3e203f2438da3f43879583d2d18c2f4947
SHA512

1d33f08752562406d4d2deb52bd85510ce2d6a2a739d6958d774a1e21674c6aee917f046060a831a7ae31fdd30c8b9ddd02c009008a7c5bbabb12779da87dbb2
SSDEEP

1536:8ByhQvaHzVaxIz1bkyVzqq6oKpYecjwteOOSbXuSDSD+4PvLj2rHS7pzHlJQ3CE0:7saHzVaxIzPVzqq6oKpYecjwteOOSbX0

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.c	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.c\ = "c_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\edit	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\c_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2616	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2640	1648	cmd.exe	29
PID 1648 wrote to memory of 2640	1648	cmd.exe	29
PID 1648 wrote to memory of 2640	1648	cmd.exe	29
PID 2640 wrote to memory of 2616	2640	rundll32.exe	30
PID 2640 wrote to memory of 2616	2640	rundll32.exe	30
PID 2640 wrote to memory of 2616	2640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux4.4\drivers\mtd\spi-nor\spi-nor.c
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linux4.4\drivers\mtd\spi-nor\spi-nor.c
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\linux4.4\drivers\mtd\spi-nor\spi-nor.c
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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